ULTRASOUND OF DACROCYSTOCELE

• Hypoechoic mass located infero-medial to orbit(s) (1-4).
• Unilateral (88%), bilateral (12%) (5).
• Globes of the eye are normal.
• Intrinsic muscles of the orbit are normal.
• No associated intracranial abnormality.
• Resolution in utero or postnatally (3).
• Mucoceles may occur in 2% of those in which patency is not established (6).
• 70-73% occur in females (5,7).
• May be associated with some rare syndromes (8).

REFERENCES

1. Davis WK, Mahony BS, Carroll BA et.al. Antenatal sonographic detection of benign dacryocystocele. J Ultrasound Med 1987;6:461-465.
2. Rand PK, Ball WS, Kulwin DR. Congenital nasolacrimal mucoceles: CT evaluation. Radiology 1989;173:691-694.
3. Walsh G, Dubbins PA. Antenatal sonographic diagnosis of a dacryocystocele. J Clin Ultrasound 1994;22:457-460.
4. Cassady JV. Developmental anatomy of the nasolacrimal duct. Arch Ophthalmol 1952;47:141-158.
5. Mansour AM, Cheng KP, Mumma JV et.al. Congenital dacrocystocele: A collaborative review. Ophthalmology 1991;98:1744-1751.
6. Cassady JV. Developmental anatomy of the nasolacrimal duct. Arch Ophthalmol 1952;47:141-158.
7. O'Keefe M, Shaikh A, Bowell R et.al. Management of dacrocystocele. Acta Ophthalmol 1994;72:12-13.
8. Sharony R, Raz J, Aviram R et.al. Prenatal diagnosis of dacrocystocele: a possible marker for syndromes. Ultrasound Obstet Gynecol 1999;14:71-73.